Home / 13,190.29-19,783.32-4,874.23

Finding the Fourth Proportional to 13,190.29, 19,783.32 and 4,874.23

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Solution

The fourth proportional to 13,190.29, 19,783.32 and 4,874.23 is: 7,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.29 : 19,783.32 = 4,874.23 : x
  2. Step 2: Convert to fraction form
    13,190.29/19,783.32 = 4,874.23/x
  3. Step 3: Cross multiply
    13,190.29x = 19,783.32 × 4,874.23
  4. Step 4: Simplify right side
    13,190.29x = 96,428,451.84
  5. Step 5: Solve for x
    x = 96,428,451.84/13,190.29
  6. Step 6: Final answer
    x = 7,310.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.